Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Diane Irene Dalton, NP
Nurse Practitioner in Van Nuys, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1891892576
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Registry record
Entity type Individual (Type 1)
Name Ms. Diane Irene Dalton
Credential NP
Sex Female
Practice address 14937 Sherman Way Apt 14, Van Nuys, CA, 91405
Phone (818) 994-8584
Enumeration date Sep 17, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License NPF 13266 (CA) Primary
NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority.
About the NP credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Diane Dalton?
The National Provider Identifier (NPI) for Diane Dalton is 1891892576, a Type 1 (individual) record in the CMS NPPES registry.
Where does Diane Dalton practice?
The practice location on file with NPPES is in Van Nuys, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.